In 2011, LEGO released 6 Architecture sets across 2 subthemes, all of these sets have been retired. Subthemes for that year included Architect Series and Landmark Series. For that year, the total price of all retail sets cost $380, today those sets are valued around $1,444, a growth of 280%.
Most valuable 2011 LEGO Architecture set
21010 Robie House $597.31
Highest growth 2011 Architecture set
21000-2 Willis Tower +740.97%
Most owned 2011 Architecture set
21011 Brandenburg Gate
6 sets

21000-2 Willis Tower

Theme / Subtheme Architecture / Landmark Series
Year 2011
Pieces 69
Availability Retired
21000-2 LEGO Architecture Willis Tower
Retail $19.99
Value $168.11
Growth  +741.0%
Annual growth 7.9%

21007 Rockefeller Center

Theme / Subtheme Architecture / Architect Series
Year 2011
Pieces 240
Availability Retired
21007 LEGO Architecture Architect Series Rockefeller Center
Retail $39.99
Value $125.71
Growth  +214.4%
Annual growth 10.0%

21008 Burj Khalifa

Theme / Subtheme Architecture / Landmark Series
Year 2011
Pieces 208
Availability Retired
21008 LEGO Architecture Burj Khalifa
Retail $24.99
Value $115.15
Growth  +360.8%
Annual growth 9.5%

21009 Farnsworth House

Theme / Subtheme Architecture / Architect Series
Year 2011
Pieces 546
Availability Retired
21009 LEGO Architecture Architect Series Farnsworth House
Retail $59.99
Value $315.93
Growth  +426.6%
Annual growth 6.5%

21010 Robie House

Theme / Subtheme Architecture / Architect Series
Year 2011
Pieces 2,276
Availability Retired
21010 LEGO Architecture Architect Series Robie House
Retail $199.99
Value $597.31
Growth  +198.7%
Annual growth 5.9%

21011 Brandenburg Gate

Theme / Subtheme Architecture / Landmark Series
Year 2011
Pieces 363
Availability Retired
21011 LEGO Architecture Brandenburg Gate
Retail $34.99
Value $122.19
Growth  +249.2%
Annual growth 6.0%